#include <stdio.h>

main()
{
	int fahr, celsius;
	int lower, upper, step;

	lower = 0;
	upper = 300;
	step = 20;

	fahr = lower;
	while (fahr <= upper)
	{
		celsius = 5 * (fahr - 32) / 9;
		printf("%d\t%d\n", fahr, celsius);
		fahr = fahr + step;
	}

	int x;
	for (x = 3; x < 5; x++) 
	{
		printf("hhhh\n");
	}
	int a;
	for (a = 0; a <10; a++)
	{
		printf("helloworld\n");
	}
	printf("******************************************\n");
	int d;
	d = 0;
	while (d < 10)
	{
		printf("helloworld\n");
		d++;
	}

	
	int i, j;
	i = 1;
	j = 0;
	while (i <= 10)
	{
		j = j + i;
		i++;
	}
	printf("%d\n", j);

	j = 0;
	for (i = 1; i <= 10; i++)
	{
		j = j + i;
	}
	printf("%d", j);


	getchar();

}
